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Eucalyptus nitens Laminated Veneer Lumber

Authors: McKenzie, Heather; Gea, Luis; Gaunt, Doug;

Eucalyptus nitens Laminated Veneer Lumber

Abstract

Eucalyptus nitens es una especie de rápido crecimiento pero debido a una defoliación severa causada por el insecto Paropsis charybdis el area de plantación en Nueva Zelandia era muy limitada. En 1987 ensis (anteriormente Forest Research) liberó una avispa parasítica que controló exitosamente ésta peste. Desde entonces, E.nitens ha sido plantado para la producción local de pulpa kraft y para el mercado exterior de astillas en las regiones de Bay of Plenty/Taupo y Southland. Un rol mas importante para ésta especie es posible si se pueden demostrar las calidades de los productos maderables que puede producir. Ensis genetics y la Cooperativa de Eucalyputs esta colectando información de crecimiento y calidad de madera de las principales regiones productoras y su rendimiento en plantaciones. Un ensayo de utilización de madera basado en un rodal de 30 años de edad demostró que existen problemas de utilización tales como rajaduras internas. Un nuevo rodal de E. nitens de 15 años de edad en Golden Down Forest- Nelson, nos dió la oportunidad de extender nuestra investigación a árboles en otro sitio. La troza principal fue utilizada para un estudio de madera aserrada mientras que la segunda troza con ramas muy grandes fue utilizada para producir LVL. Esta nota resume los principales resultados del estudio de LVL.________________________________________Eucalyptus nitens is a rapidly growing species which was little planted in New Zealand due to severe defoliation caused by a beetle, Paropsis charybdis. In 1987 ensis (formerly Forest Research) released a parasitic wasp, successfully controlling the pest. Since then, E. nitens has been planted in the Bay of Plenty/Taupo and Southland regions for local kraft pulp and export chip respectively. There may be a wider role for the species in New Zealand if it can be demonstrated that it can produce quality solidwood products. Ensis genetics and the Eucalypts Cooperative is collecting growth and wood quality information from most regions of the country and performance is being monitored in plantations. An Ensis sawing trial based on a 30-year-old stand showed there were some problems with sawn timber such as internal checking. The opportunity to extend the research to trees from another stand was provided by a unique stand of pruned fifteen-year old E.nitens in an ensis trial at Golden Downs Forest, Nelson. Whilst the butt logs were suitable for sawing, a structural product, laminated veneer lumber (LVL) was considered a likely appropriate use of the heavily branched second logs. This note summarises the main results of the LVL study.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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